System/Video ROM
Revision
Number on ROM
177032-001
101394
177032-011
122894
177032-012
System Modem ROM
Number on ROM
177033-005
Power Supply/Battery
Real-Time Clock Battery 4.5 Volts, 600 mA
3-6
Presario 500
Location
Spare Part
XU23
177185-001
DISCONTINUED
XU23
177185-001
DISCONTINUED
XU23
177185-001
DISCONTINUED
Location
Spare Part
XU24
176508-001
Spare Part
160274-001
System
All
All
All
System
All
System
All
Volume One